Valid Expression Syntax
CalcTree's native parameters use the mathJS
Functional operators in CalcTree
This table shows the mathJS operators that are currently supported and fully functional in CalcTree.
(, )
Grouping
(x)
None
2 * (3 + 4)
14
[, ]
Matrix, Index
[...]
None
[[1,2],[3,4]]
[[1,2],[3,4]]
{, }
Object
{...}
None
{a: 1, b: 2}
{a: 1, b: 2}
,
Parameter separator
x, y
Left to right
max(2, 1, 5)
5
.
Property accessor
obj.prop
Left to right
obj={a: 12}; obj.a
12
;
Row separator
[x; y]
Left to right
[1,2;3,4]
[[1,2],[3,4]]
+
Add
x + y
Left to right
4 + 5
9
+
Unary plus
+y
Right to left
+4
4
-
Subtract
x - y
Left to right
7 - 3
4
-
Unary minus
-y
Right to left
-4
-4
*
Multiply
x * y
Left to right
2 * 3
6
.*
Element-wise multiply
x .* y
Left to right
[1,2,3] .* [1,2,3]
[1,4,9]
/
Divide
x / y
Left to right
6 / 2
3
./
Element-wise divide
x ./ y
Left to right
[9,6,4] ./ [3,2,2]
[3,3,2]
%
Percentage
x%
None
8%
0.08
%
Addition with Percentage
x + y%
Left to right
100 + 3%
103
%
Subtraction with Percentage
x - y%
Left to right
100 - 3%
97
% mod
Modulus
x % y
Left to right
8 % 3
2
^
Power
x ^ y
Right to left
2 ^ 3
8
.^
Element-wise power
x .^ y
Right to left
[2,3] .^ [3,3]
[8,27]
'
Transpose
y'
Left to right
[[1,2],[3,4]]'
[[1,3],[2,4]]
!
Factorial
y!
Left to right
5!
120
&
Bitwise and
x & y
Left to right
5 & 3
1
~
Bitwise not
~x
Right to left
~2
-3
|
Bitwise or
x | y
Left to right
5 | 3
7
^|
Bitwise xor
x ^| y
Left to right
5 ^| 2
7
<<
Left shift
x << y
Left to right
4 << 1
8
>>
Right arithmetic shift
x >> y
Left to right
8 >> 1
4
>>>
Right logical shift
x >>> y
Left to right
-8 >>> 1
2147483644
and
Logical and
x and y
Left to right
true and false
false
not
Logical not
not y
Right to left
not true
false
or
Logical or
x or y
Left to right
true or false
true
xor
Logical xor
x xor y
Left to right
true xor true
false
? :
Conditional expression
x ? y : z
Right to left
15 > 100 ? 1 : -1
-1
:
Range
x : y
Right to left
1:4
[1,2,3,4]
to, in
Unit conversion
x to y
Left to right
2 inch to cm
5.08 cm
==
Equal
x == y
Left to right
2 == 4 - 2
true
!=
Unequal
x != y
Left to right
2 != 3
true
<
Smaller
x < y
Left to right
2 < 3
true
>
Larger
x > y
Left to right
2 > 3
false
<=
Smallereq
x <= y
Left to right
4 <= 3
false
>=
Largereq
x >= y
Left to right
2 + 4 >= 6
true
MathJS operators not functional in CalcTree
The table lists MathJS operators that are not yet supported in the CalcTree environment.
;
Statement separator
x; y
Left to right
a=2; b=3; a*b
[6]
\n
Statement separator
x \n y
Left to right
a=2 \n b=3 \n a*b
[2,3,6]
=
Assignment
x = y
Right to left
a = 5
5
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