MM-991ES Advanced Scientific Calculator
Built for Year 11 onwards: equation solving, matrices, vectors, complex numbers and calculus in a slim, solar-powered scientific calculator.
$55.00
NZD
Colour: White
Arriving for Term 1 2027. Leave your email and we'll let you know the day it lands.
You'll also get our occasional news. Unsubscribe any time.- 12-month warranty
- Hard case + batteryin the box
- 3–5 business daysNZ-wide
- Free shippingwhen you spend $100
What it does
A step up for senior maths and science.
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Equations
Simultaneous equations with 2 or 3 unknowns, plus polynomial equations.
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Matrices & vectors
Matrices up to 3 × 3 and vectors in 2 or 3 dimensions.
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Calculus
Numerical differentiation and integration, plus SOLVE.
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Solar + battery
Runs on light, with an LR44 backup good for about 17,000 hours.
Specifications
| Display | 10 + 2 digit, 96 × 31 dot matrix, textbook format |
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| Functions | 417, including 40 scientific constants and 40 metric conversions |
| Modes | Computation, complex, statistics, base-n, equations, matrices, tables, vectors |
| Memory | 9 variables (A–F, X, Y, M), independent memory, answer recall |
| Power | Solar + 1 × LR44 backup, approx. 17,000 hours on battery |
| Size & weight | 165 × 80 × 15 mm · 125 g with battery |
| Colours | White, blue or black |
| Exams | NZQA approved · non-programmable |
| Warranty | 12 months |