Math

Number

A decimal number that can be an integer or decimal fraction.

						
//!OpenSCAD
0;											
					

Degree

A value entered in degrees.

						
//!OpenSCAD
0;											
					

Basic Math

Add, subtract, multiply, divide, or use an exponent.

						
//!OpenSCAD
1 + 1;
1 - 1;
1 * 1;
1 / 1;
1 ^ 1;										
					

Single Operand

Depending upon the selection, returns the square root, absolute value, negation, natural logarithm, base 10 logarithm, e to the power of, or 10 to the power of a specified number.

						
//!OpenSCAD
sqrt(9);									
					

Trigonometry

Depending upon the selection returns the sine, cosine, or tangent. Argument must be in degrees and not radians. Or, returns the arcsine, arccosine, or arctangent of a number.

						
//!OpenSCAD
sin(45);									
					

Common Constants

Returns one of five common constants:

• Pi - π = 3.14159
• e = 2.71828
• Phi - ϕ = 1.61803
• √2 = 1.414
• √1/2 = .707

						
//!OpenSCAD
3.14159,1;									
					

Number Property

Check if a number is an even, odd, prime, whole, positive, negative, or is divisible by a certain number. Returns true or false.

						
//!OpenSCAD
0 % 2 == 0;				
					

Rounding

Round a number. The drop down allows the selection of round, round up or round down

						
//!OpenSCAD
round(3.1);				
					

Remainder of

Return the remainder from dividing the two numbers.

						
//!OpenSCAD
64 % 10;				
					

Constrain

Constrain a number to be between the specified limits (inclusive).

						
//!OpenSCAD
min(max(50, 1), 100);	
					

Random Integer

Return a random integer between the two specified limits (inclusive).

						
//!OpenSCAD
round(rands(1,100,1)[0]);
					

Random Fraction

Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).

						
//!OpenSCAD
rands(0,1,1)[0];