Over 70 application functions have been implemented so far.
The full list is here.
For instance, if you want to compute an average, it is easier than on HP-35s!
Common Experiment Processing
Given: In the dance class of 10 students, the heights were measured at 147, 152, 165, 163, 168, 163, 175, 166, 170, and 167 cm.
Find: The mean height and its standard deviation in the class.
<Enter>(a shortcut is
<A>, which displays
- Continue for the other 8 numbers. Instead of typing sum, you also can type a number and press
- After each number the calculator displays number of samples, the mean and standard deviation.
After entering all 10 numbers, the display shows:
Answer: the average height of the class student is 164 cm (68% of samples are in the interval of 164±9 cm).
Normal Distribution and Probability
Given: In the dance class as above, assume normal distribution and fair representation of the school population.
Find: (1) Probability the next class participant is taller than 175 cm. (2) Interval of heights for 95% of the school population.
- The calculator displays: 0.91513344. This is the probability the next participant is under 175 cm.
- To find the answer, type
<->. The calculator displays: 8.48665622e-002.
- The calculator displays: 147.3(...) This is the lower value.
- The calculator displays: 179.9(...) This is the upper value.
Answer: (1) the probability to find a student taller than 175 cm is 8.5% . (2) In the school, 95% of the students are in the interval between 147.3 and 179.9 (or 163.6±16.3) cm in height.