Monday, March 31, 2014

HP Prime: BLIT (Video!)

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Hey everyone!  Here is the a video on the BLIT (and BLIT_P) command for the HP Prime: https://www.youtube.com/watch?v=FD_aDzAa_s0 BLIT i...
Thursday, March 27, 2014

HP Prime Program: Net Present Value

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HP Net Present Value 2014-03-28 Arguments: NPV(periodical rate, list of cash flows) or NPV(periodical rate, [ cash flow, frequency ] ) Pr...

Finance Calculators: Tips and Tricks with the Cash Flow Operation

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This applies to any calculator that has the time value of money (TMV) and net present value (NPV) function. Net Present Value Formula NP...
Monday, March 24, 2014

BA II Plus Professional: Silver (2004) vs Black (2013) Keyboard

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First of all, I have to give a shoutout to Office Depot, who matched the price they had for the BA II Plus Professional on their website ($...
Saturday, March 22, 2014

Random Calculator Thoughts: New Design of the BA II Plus, Names of Calculators, Calculator Apps allowed on Tests in Texas

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Texas Instruments:  New Design of the BA II Plus and BA II Plus Professional Recently, Texas Instruments released a new design of their fi...
Sunday, March 16, 2014

HP 12C: Value of a Deferred Monthly Annuity

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HP 12C: Value of a Deferred Monthly Annuity This is a continuation of sorts of the pension blog entry posted yesterday. Click on this lin...
Saturday, March 15, 2014

Finance: Approximating the Value of Pensions and Required Contributions

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Greetings everyone! Last week I was at a finance conference in Costa Mesa, CA for my work. It is a general accounting and tax conference t...
Friday, March 14, 2014

Happy π Day! Happy Birthday Albert Einstein!

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Today is a great day. We get to celebrate one of the best numbers in existence: π. π plays a role in many mathematical and scientific ap...
Saturday, March 1, 2014

HP Prime/TI 84 Plus Color Silver Edition: Dynamic Programming: Orbit on a elliptic path.

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This program orbits a θ character on a elliptical path. Use the arrow keys to change the size and the elliptical path. The program execu...
Sunday, February 23, 2014

Calculator Art: 2/22/2014

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Some calculator art done this week: Eye Parametric Pattern HP Prime: App: Parametric Range: Autoscale, -2.85349369234 ≤ T ≤ 2.85349369234...
Thursday, February 20, 2014

A Customized Portable Math Reference

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Do you always use a formula that you just can't remember in your head? Or want to carry around a certain amount of facts that are tail...
Sunday, February 16, 2014

HP Prime: Programming a (Very) Simple Game Part 5

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Here it is - a complete simple game.  The objective is to collect dollar signs (coins) to unlock the boundary at the top of the screen to al...

HP Prime: Programming a (Very) Simple Game Part 4

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The fourth part of this mini-series will introduce MOVEM6.  In this edition, we will put a condition that is required to be met: collect ten...
Saturday, February 15, 2014

Greetings from Santa Barbara (Good Cup): What Makes A Good "Portable" Math Program Language

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I am coming to you today from Santa Barbara and feels so good to get away from the house and work - even it just one day. :). I never tho...