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mXparser provides a rich collection of built-in math functions, math expressions, and math symbols. Familiarize yourself with the scope and the syntax. Math collection internal help is also available directly from the software – see the tutorial and the API documentation for all the details.

Tutorial Math Collection API spec Download

mXparser – built-in Iterated Operators

Keyword	Type	Syntax	Since	Description
∑	Calculus operator	∑(i, from, to, expr, <by>)	5.0	Summation SIGMA – Iterated operator Σ – Calculus operator – Unicode math symbol
Σ	Calculus operator	Σ(i, from, to, expr, <by>)	5.0	Summation SIGMA – Iterated operator Σ – Calculus operator – Unicode math symbol
sum	Calculus operator	sum(i, from, to, expr, <by>)	1.0	Summation SIGMA – Iterated operator Σ – Calculus operator
∏	Calculus operator	∏(i, from, to, expr, <by>)	5.0	Product PI – Iterated operator ∏ – Calculus operator – Unicode math symbol
ℿ	Calculus operator	ℿ(i, from, to, expr, <by>)	5.0	Product PI – Iterated operator ∏ – Calculus operator – Unicode math symbol
Π	Calculus operator	Π(i, from, to, expr, <by>)	5.0	Product PI – Iterated operator ∏ – Calculus operator – Unicode math symbol
prod	Calculus operator	prod(i, from, to, expr, <by>)	1.0	Product PI – Iterated operator ∏ – Calculus operator
avg	Calculus operator	avg(i, from, to, expr, <by>)	2.4	Average – Iterated operator – Calculus operator
vari	Calculus operator	vari(i, from, to, expr, <by>)	2.4	Bias-corrected sample variance – Iterated operator – Calculus operator
stdi	Calculus operator	stdi(i, from, to, expr, <by>)	2.4	Bias-corrected sample standard deviation – Iterated operator – Calculus operator
mini	Calculus operator	mini(i, from, to, expr, <by>)	2.4	Minimum value – Iterated operator – Calculus operator
maxi	Calculus operator	maxi(i, from, to, expr, <by>)	2.4	Maximum value – Iterated operator – Calculus operator

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