Only scientific calculators are allowed for use in Anna University exams. Programmable Calculators are not allowed. The most commonly used calculators are fx-991MS, fx-991ES, fx-100MS, and fx-350MS. All these calculators are non-programmable.
To identify a programmable calculator check for buttons like IF' 'P1' 'P2' 'P3' etc. Also, the model name of a programmable calculator ends with the letter P.
You can use Casio fx-991ES in Anna University Exams. It’s the most popular calculator at Anna University. You won’t be provided with calculators from the college and will have to carry your own.