What Calculator Do You Need for Engineering at University in South Africa?

The Calculator You Need for Engineering at a South African University

If you're starting an engineering, science, or technical course at a South African university or college, one question comes up fast: which calculator should I buy? Get it wrong and you could be stuck with a model that isn't allowed in your exams. Here's the simple, no-nonsense answer.

The Short Answer: Casio FX-991ZA Plus

For the vast majority of South African engineering and science students, the calculator you need is the Casio FX-991ZA Plus. It's the standard scientific calculator used across SA universities and TVET colleges, and it's specifically designed and approved for the South African curriculum (that's what the "ZA" stands for).

View the Casio FX-991ZA Plus here.

Why This Calculator?

• It's exam-approved. The FX-991ZA Plus is non-programmable, which means it's accepted in exams at South African universities. Most engineering faculties do not allow programmable or graphing calculators in tests and exams.
• It has every function you need. 417 functions including fractions, complex numbers, matrices, vectors, statistics, integration and differentiation — covering first year right through your degree.
• It's solar-powered with battery backup, so it won't die on you mid-exam.
• It's the one your lecturers expect. Tutorials and worked examples are often demonstrated on this exact model, so you'll be able to follow along key-for-key.

Scientific vs Graphing Calculators: Which Is Allowed?

This trips up a lot of first-years. Graphing and programmable calculators are powerful, but most South African engineering exams do not permit them because they can store notes and formulas. A non-programmable scientific calculator like the FX-991ZA Plus is the safe, accepted choice. Always check your specific faculty's exam rules, but if in doubt, the 991ZA Plus is the one that keeps you on the right side of the regulations.

Watch Out for Fakes

The popularity of this model means counterfeit versions do circulate. A fake can behave differently, give wrong results, or fall apart within a semester. Buy from a reputable supplier so you know you're getting the genuine Casio.

Buy Early — Don't Wait Until Test Week

Every semester, students scramble to find this calculator the night before their first test, when shops are sold out. Get yours sorted before classes start so you can practise with it and walk into your first assessment prepared.

Order Yours from Uni Supplies Inc

We stock the genuine Casio FX-991ZA Plus for engineering and science students across South Africa, with a price-match guarantee and fast delivery — including next-day delivery to selected campuses. Get your engineering calculator here, or browse our full range of engineering supplies.