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HP Scientific Calculators - Scientific Calculator Product Comparison

Introduction
The following tables display the features and functions of HP scientific calculator models for comparison. It compares the features of the 6s, 6s solar, 20s, 30s, and 32sii calculators.
Physical and operating features
Feature
HP 6s/6s solar
HP 20s
HP 30s
HP 32sii
Display size (LCD)
1 line x 12 char.
2 lines
2 lines
1 line x 12 characters
Solar panel
6s solar only
Entry system logic
Algebraic
Algebraic
Algebraic
RPN
Numeric precision Internal
12 digits
15 digits
24 digits
12 digits
Numeric precision displayed
10 digits
12 digits
10 digits
12 digits
Numeric precision exponent
+/- 99
+/- 499
+/- 99
+/- 499
Math features
Feature
HP 6s/6s solar
HP 20s
HP 30s
HP 32sii
Universal powers and roots
X
X
X
Boolean logic
X
Addition +, Subtraction -, Multiplication *, Division ÷ , Square root v , Inverse 1/x
X
X
X
X
e x, yx, In, 10x, Percentage, Pi, 1/x, Factorial n!
X
X
X
X
Fractions and fraction/decimal conversions
X
X
X
Trigonometric functions / inverses
X
X
X
X
Feature
HP 6s/6s solar
HP 20s
HP 30s
HP 32sii
Degrees, Radians, or Grads mode
X
X
X
Root finder
X (see note)
HP solve
HP Solve
Numeric integration
X (see note)
X
Complex number functions
X (see note)
X
Matrix operations (3x3)
X (see note)
Hyperbolics/ inverses
X
X
X
Polynomial root finder, Taylor series
X
Absolute value, round, floor, ceiling
X
Integer and fractional part of a number
X
Modulo function
X
Scientific features
Feature
HP 6s/6s solar
HP 20s
HP 30s
HP 32sii
Decimal hours to hours, minutes, seconds conversions
X
X
X
Polar/rectangular conversions
X
X
X
X
Angle conversions
X
X
X
X
Base conversions and arithmetic
X
X
X
Unit conversions
X
X
X
Statistical features
Feature
HP 6s/6s solar
HP 20s
HP 30s
HP 32sii
Total, sumX, sumX2, sumY, sumY2 sumXY
Cumulative (single variable)
Cumulative
Cumulative
Cumulative
Sample standard deviation, mean
X
X
X
X
Population standard deviation
X
X
X
Weighted mean
X
X
Linear regression
X
X
X
Combinations, permutations
X
X
X
Curve fit (Linear-LIN, Logarithmic-LOG, Exponential-EXP, Power-POW)
X1
X1
1This item is included in the program library/manual.
Customizing features
Feature
HP 6s/6s solar
HP 20s
HP 30s
HP 32sii
Levels of subroutines
4
7
Branching
X
X
Alpha listings
X
Solve for any variable
X
Flags
12
Built-in programs/equations
6
Indexed looping
X
Indirect addressing
X
Alpha prompts in programs
X
Number of programs/formulas
16
27
Root finder
X1
HP Solve
HP Solve
Number of steps/regs or bytes
99 steps/10 regs
120 bytes/10 regs
384 bytes/33 regs
1This item is included in the program library/manual.

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