HP's newest and most popular scientific calculator!
Get professional performance from HP’s ultimate RPN scientific programmable calculator—ideal for engineers, surveyors, college students, scientists and medical professionals. Scientific projects require accuracy, functionality and dependability for success. The HP 35s scientific programmable calculator delivers them—and more—with features that include 30KB user memory, your choice of RPN and algebraic entry-system logic, a convenient two-line display, and the time-saving HP Solve application.
Please refer to our condition guide for questions about used and refurbished items and contact us if the condition you are looking for is not currently listed. We may have one that we haven't listed yet or the ability to source one for you.
Permitted for use on
SAT Reasoning Test
SAT Subject Tests in Mathematics Level 1 and Level 2
ACT Mathematics Test
RPN or algebraic entry-system logic
HP Solve and 100 built-in functions
Large 2-line display with adjustable contrast
Single and two-variable statistics
linear regression and more
30 KB of memory plus 800+ independent storage registers
Fraction mode plus fraction-to-decimal conversion
42 built-in physical constants
plus a complete library of unit conversions
one/two variable statistics
S+: enter data point
S-: remove data point
SUM: n, Sx, Sy, Sx2, Sy2, Sxy
S, s :, Sx, Sy, sx, sy
x, y:x, y, xw
L.R.: r, m, b, x', y'
1 HP35S Calculator
1 User manual
1 year limited HP warranty (handled directly by HP for North American residents through 1-800-HPINVENT, or through us directly, HPCalculatorscom).