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HEWLETT PACKARD 20S SCIENTIFIC CALCULATOR - $20 (wallington)
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pick up/ delivery
cash/PAYPAL only
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*manual included*
batteries not included
bring batteries with you to test
3×1.5V button cell batteries
Algebraic Entry System – Familiar and easy for students and general users
100-Built-In Equations – Access formulas for physics, math, engineering, and statistics
Programmable Memory – Store up to 99 program lines for repetitive calculations
Advanced Math Functions – Includes trigonometry, logarithms, powers, roots, and factorials
Statistics Mode – Perform mean, standard deviation, linear regression, and more
Complex Number Support – Handle real and imaginary components in calculations
Fraction & Decimal Conversions – Easily switch between number formats
Two-Line LCD Display – Shows entries and results for improved usability
Compact & Lightweight Design – Durable and portable for students and professionals
Battery Operated (2 x CR2032) – Long-lasting performance with user-replaceable batteries