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Number & algebra
Expressions, equations, sequences, growth and reliable numerical checks. Every guide is scoped to the current AA SL course.
7 verified guides
Expressions & rounding
You need a reliable numerical value with appropriate significant figures.
Open guideNumeric Solver
Algebraic solving is impractical and you need a real numerical solution near an estimate.
Open guideSequence terms
You need terms or a finite sum from a recursive or explicit sequence.
Open guideGrowth & decay
A quantity changes by a constant percentage each period.
Open guideSimultaneous equations
You need a numerical check or solution for a small linear system.
Open guidePolynomial roots
You need real or complex roots of a polynomial and the installed root-finder is permitted.
Open guideCheck algebra
You have an analytical result and want to catch a sign, substitution or rearrangement error.
Open guide