Basic lua: Operators - Revision history

AFRLme at 12:50, 5 September 2022

2022-09-05T12:50:29Z

AFRLme at 12:43, 5 September 2022

2022-09-05T12:43:35Z

AFRLme at 01:15, 3 September 2022

2022-09-03T01:15:40Z

AFRLme at 23:51, 2 September 2022

2022-09-02T23:51:28Z

AFRLme at 23:47, 2 September 2022

2022-09-02T23:47:31Z

AFRLme at 17:01, 2 September 2022

2022-09-02T17:01:08Z

AFRLme at 16:11, 2 September 2022

2022-09-02T16:11:37Z

AFRLme at 16:06, 2 September 2022

2022-09-02T16:06:56Z

AFRLme at 15:09, 2 September 2022

2022-09-02T15:09:04Z

AFRLme at 15:08, 2 September 2022

2022-09-02T15:08:45Z

@@ Line 332: / Line 332: @@
 {| class="ts"
 |-
-! base of 2, power of 8 (2ⁿ) = 256  !!
+! base of 2, power of 8 (2ⁿ) = 256 (2x2=4x2=8x2=16x2=32x2=64x2=128x2=256) !!
 |-
 | <syntaxhighlight lang="lua">
@@ Line 348: / Line 348: @@
 end
-print("power value of "..a.." & "..b.."  = " .. result, power(a,b))
+print("power value of "..a.." & "..b.." = " .. result, power(a,b))
 </syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(mathematical_operators)_6.png|frameless|center|180px]]

@@ Line 356: / Line 356: @@
 {| class="ts"
 |-
-! remainder of 25 ÷ 4 = 1 !!
+! remainder of 25 ÷ 4 = 1 (25 ÷ 4 = 6.25 - 6 = 0.25 * 4 = 1) !!
 |-
 | style="max-width:680px;" | <syntaxhighlight lang="lua">

@@ Line 5: / Line 5: @@
 | class="i_arrow clickablecell" | [[basic_lua:_Types|>]]
 |}
+<hr>
 Lua operators are expressions used to perform calculations or to pass arguments between different value types.
@@ Line 369: / Line 369: @@
 </syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(mathematical_operators)_7.png|frameless|center|180px]]
 |}
+<hr>
 {| class="in"
 |-

@@ Line 33: / Line 33: @@
 </syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(conditional_operators)_1.png|frameless|center|180px]]
 |}
+<hr>
 {| class="ts"
 |-
@@ Line 46: / Line 46: @@
 </syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(conditional_operators)_2.png|frameless|center|180px]]
 |}
+<hr>
 {| class="ts"
 |-

@@ Line 1: / Line 1: @@
 {| class="in"
 |-
@@ Line 7: / Line 5: @@
 | class="i_arrow clickablecell" | [[basic_lua:_Types|>]]
 |}
 == Conditional Operators ==

@@ Line 3: / Line 3: @@
 {| class="in"
 |-
-| class="i_arrow clickablecell" |  [[basic_lua:_Index|<]]
+| class="i_arrow clickablecell" |  [[basic_lua:_Basics|<]]
 | class="i_norm clickablecell" | '''[[basic_lua:_Index|Index]]'''
 | class="i_arrow clickablecell" | [[basic_lua:_Types|>]]
@@ Line 372: / Line 372: @@
 {| class="in"
 |-
-| class="i_arrow" |  [[basic_lua:_Index|<]]
+| class="i_arrow" |  [[basic_lua:_Basics|<]]
 | class="i_norm" | '''[[basic_lua:_Index|Index]]'''
 | class="i_arrow" | [[basic_lua:_Types|>]]
 |}{{toc}}

@@ Line 172: / Line 172: @@
   print("a = 1")
 end
-</syntaxhighlight> || width="200px" | [[File:lb_operators_009.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(comparison_operators)_1.png|frameless|center|180px]]
 |}
@@ Line 186: / Line 186: @@
   print("a = " .. a)
 end
-</syntaxhighlight> || width="200px" | [[File:lb_operators_010.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(comparison_operators)_2.png|frameless|center|180px]]
 |}
@@ Line 200: / Line 200: @@
   print("a = " .. a)
 end
-</syntaxhighlight> || width="200px" | [[File:lb_operators_011.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(comparison_operators)_3.png|frameless|center|180px]]
 |}
@@ Line 214: / Line 214: @@
   print("a = " .. a)
 end
-</syntaxhighlight> || width="200px" | [[File:lb_operators_012.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(comparison_operators)_4.png|frameless|center|180px]]
 |}
@@ Line 228: / Line 228: @@
   print("a = " .. a)
 end
-</syntaxhighlight> || width="200px" | [[File:lb_operators_013.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(comparison_operators)_5.png|frameless|center|180px]]
 |}
@@ Line 242: / Line 242: @@
   print("a = " .. a)
 end
-</syntaxhighlight> || width="200px" | [[File:lb_operators_014.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(comparison_operators)_6.png|frameless|center|180px]]
 |}
@@ Line 272: / Line 272: @@
 print( result )
-</syntaxhighlight> || width="200px" | [[File:lb_operators_015.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(mathematical_operators)_1.png|frameless|center|180px]]
 |}
@@ Line 286: / Line 286: @@
 print( result )
-</syntaxhighlight> || width="200px" | [[File:lb_operators_016.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(mathematical_operators)_2.png|frameless|center|180px]]
 |}
@@ Line 299: / Line 299: @@
 print( "original value: " .. a, "inversed value: " .. result )
-</syntaxhighlight> || width="200px" | [[File:lb_operators_017.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(mathematical_operators)_3.png|frameless|center|180px]]
 |}
@@ Line 312: / Line 312: @@
 print( result )
-</syntaxhighlight> || width="200px" | [[File:lb_operators_018.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(mathematical_operators)_4.png|frameless|center|180px]]
 |}
@@ Line 326: / Line 326: @@
 print( result )
-</syntaxhighlight> || width="200px" | [[File:lb_operators_019.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(mathematical_operators)_5.png|frameless|center|180px]]
 |}
@@ Line 335: / Line 335: @@
 |-
 | <syntaxhighlight lang="lua">
-local a, b = 2, 16
+local a, b = 2, 8
 local result = a ^ b -- generate answer
-−
 -- break down power function into string result (ignore this code)
 function power(i1, i2)
@@ Line 347: / Line 347: @@
   return "which is the equivalent of " .. val
 end
-−
 print("power value of "..a.." & "..b.."  = " .. result, power(a,b))
-</syntaxhighlight> || width="200px" | [[File:lb_operators_0020.png|thumb|right|180px|click to enlarge]]
 |}
@@ Line 360: / Line 361: @@
 local a = 25
 local b = 4
-local result = a / 4
+local result = a / b -- 25 ÷ 4 = 6.25
-local remainder = a % b
+local result_decimal = math.fmod(result, 1) -- 6.25 - 6 = 0.25
-local decimal = remainder / b
+local result_rounded = math.modf(result) -- 6.25 - 0.25 = 6
-print("result: 25 ÷ 4 = "  .. result, "remainder: .25 x 4 = " .. remainder, "decimal: 1 ÷ 4 = " .. decimal )
+print("result: " .. result .. ", decimal: " .. result_decimal .. ", rounded: " .. result_rounded .. ", remainder: " .. remainder)
-</syntaxhighlight> || width="200px" | [[File:lb_operators_021.png|thumb|right|180px|click to enlarge]]
+</syntaxhighlight> || width="180px" style="vertical-align:middle;" | [[File:Basic_lua_(mathematical_operators)_7.png|frameless|center|180px]]
 |}

@@ Line 11: / Line 11: @@
 {| class="ts"
 |-
-| <span class="vsyellow">if|if</span> || Query if something does or does not meet a certain condition.
+| <span class="vsyellow">if</span> || Query if something does or does not meet a certain condition.
 |-
-| <span class="vsyellow">else|else</span> || Do something else if the query condition was not met.
+| <span class="vsyellow">else</span> || Do something else if the query condition was not met.
 |-
 | <span class="vsyellow">elseif</span> || Used to add additional if queries, if the initial query condition was not met.

@@ Line 11: / Line 11: @@
 {| class="ts"
 |-
-| [[Basic_lua:_Operators#if|if]] || Query if something does or does not meet a certain condition.
+| <span class="vsyellow">if|if</span> || Query if something does or does not meet a certain condition.
 |-
-| [[Basic_lua:_Operators#else|else]] || Do something else if the query condition was not met.
+| <span class="vsyellow">else|else</span> || Do something else if the query condition was not met.
 |-
-| [[Basic_lua:_Operators#elseif|elseif]] || Used to add additional if queries, if the initial query condition was not met.
+| <span class="vsyellow">elseif</span> || Used to add additional if queries, if the initial query condition was not met.
 |-
 | <span class="vsyellow">end</span> || This is used to close various queries or functions; there must be the same amount of '''end''' as '''if'''; except in instances where '''elseif''' has been used.
@@ Line 95: / Line 95: @@
 {| class="ts"
 |-
-| [[Basic_lua:_Operators#and|and]] || width="90%" | Allows you to check multiple conditions in a single if query.
+| <span class="vsyellow">and</span> || width="90%" | Allows you to check multiple conditions in a single if query.
 |-
-| [[Basic_lua:_Operators#or|or]] || Allows you to add an alternative if query into a single if query.
+| <span class="vsyellow">or</span> || Allows you to add an alternative if query into a single if query.
 |-
-| [[Basic_lua:_Operators#not|not]] || Checks if condition equals false or negative.
+| <span class="vsyellow">not</span> || Checks if condition equals false or negative.
 |}
@@ Line 148: / Line 148: @@
 {| class="ts"
 |-
-| <big>==</big> || width="90%" | Equal to.
+| <span class="vsyellow">==</span> || width="90%" | Equal to.
 |-
-| <big>~=</big> || Does not equal.
+| <span class="vsyellow">~=</span> || Does not equal.
 |-
-| <big>>=</big> || Greater than or equal to.
+| <span class="vsyellow">>=</span> || Greater than or equal to.
 |-
-| <big>></big> || Greater than.
+| <span class="vsyellow">></span> || Greater than.
 |-
-| <big><=</big> || Less than or equal to.
+| <span class="vsyellow"><=</span> || Less than or equal to.
 |-
-| <big><</big> || Less than.
+| <span class="vsyellow"><</span> || Less than.
 |}
@@ Line 166: / Line 166: @@
 !  if a equals 1 !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 1
@@ Line 180: / Line 180: @@
 ! if a does not equal 2 !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 1
@@ Line 194: / Line 194: @@
 ! if a is greater than or equal to 2 !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 5
@@ Line 208: / Line 208: @@
 ! if a is greater than 2 !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 3
@@ Line 222: / Line 222: @@
 ! if a less than or equal to 2  !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 2
@@ Line 236: / Line 236: @@
 ! if a less than 2  !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 0
@@ Line 248: / Line 248: @@
 {| class="ts"
 |-
-| <big>+</big> || width="90%" | Add
+| <span class="vsyellow">+</span> || width="90%" | Add
 |-
-| <big>-</big> || Subtract or invert
+| <span class="vsyellow">-</span> || Subtract or invert
 |-
-| <big>*</big> || Multiply
+| <span class="vsyellow">*</span> || Multiply
 |-
-| <big>/</big> || Divide
+| <span class="vsyellow">/</span> || Divide
 |-
-| <big>^</big> || Power
+| <span class="vsyellow">^</span> || Power
 |-
-| <big>%</big> || Remainder
+| <span class="vsyellow">%</span> || Remainder
 |}
@@ Line 266: / Line 266: @@
 ! 1 + 2 = 3 !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 1
 local b = 2
@@ Line 280: / Line 280: @@
 ! 3 - 2 = 1 !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 3
 local b = 2
@@ Line 294: / Line 294: @@
 ! ''<small>inv</small>'' of 3 = -3 !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 3
 local result = -a
@@ Line 307: / Line 307: @@
 ! 2 x 2 = 4 !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 2
 local result = a * a
@@ Line 320: / Line 320: @@
 ! 10 ÷ 5 = 2  !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 10
 local b = 5
@@ Line 334: / Line 334: @@
 ! base of 2, power of 8 (2ⁿ) = 256  !!
 |-
-| <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a, b = 2, 16
 local result = a ^ b -- generate answer
@@ Line 357: / Line 357: @@
 ! remainder of 25 ÷ 4 = 1 !!
 |-
-| style="max-width: 700px;" | <syntaxhighlight>
+| <syntaxhighlight lang="lua">
 local a = 25
 local b = 4