Valid Expression Syntax
CalcTree’s native parameters follow MathJS syntax for mathematical expressions. While most operators and functions behave the same as in MathJS, this page highlights the valid operators and notes a fe
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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