Articles Valentín Albillo

Valentín Albillo Calculator Articles

• Long Live the HP71B !
• Long Live the HP-34C !
• Boldly Going - Identifying Constants
• Boldly Going - Matrix Square Root
• Boldly Going - Going Back to the Roots
• Small Fry - Primes A'counting
• Small Fry - Let's Be Rational
• Long Live the HP-35 !
• Long Live the HP-25 ! 
• 25 Years of Othello for the HP 71b
• HP-71B Short & Sweet Sudoku Solver for the HP 71b
• HP-71B Sudoku Solver's Sublime Sequel for the HP 71b
• HP-71B Sudoku Generator & Coach for the HP 71b
• HP-71B Fantastic Four !
• HP-71B Minimax Polynomial Fit
• HP-71B DOMINOKU – Swiftly Solving Domino Grids
• HP-71B Boldly Going - Mandelbrot Set Area (71B)
• HP-71B Boldly Going - Outsmarting PROOT (71B)
• HP-71B Boldly Going - Abundant but Rare.pdf
• HP-71B Boldly Going - Eigenvalues and Friends
• HP-71B Advanced Uses of STRNGLEX
• HP-71B Math ROM Baker's Dozen (Vol. 1)
• HP-71B Math ROM Baker's Dozen (Vol. 2)
• HP-71B Fantastic FOUR 
• HP-71B Modest Mater
• HP-71B Math Pac 2 Comments and Proposals
• HP-71B Boldly Going - Climbing Project Euler
• HP-41C Long Live the Advantage ROM !
• HP-41C Mate w King Bishop Knight Practice
• HP-15C Nth-degree Polynomial Fitting
• HP-15C Long Live the HP-15C ! 
• HP-12C Tried & Tricky Trigonometrics
• HP-12C Serendipitous Solver
• HP-12C: Long Live the HP-12C !
• HP-11C Long Live the HP-11C !
• HP-16C Long Live the HP-16C ! 
• HP-16C Boldly Going - HP-16C Scientific Functions Part 2.
• HP-42S Long Live the HP-42S ! 
• HP-42S Boldly Going - Mandelbrot Set Area (42S)
• HP-42S Boldly Going - Outsmarting PROOT (42S)
• HP35S Storing Lotsa Lotsa Numbers.pdf
• Time Voyager
• Time Voyager Revisited
• Mean Matrices
• Short and Sweet Math Challenges
• Know Thy Foe: A New Contender
• My suggested New Features for Free42

Valentín Challenges:

#10: Counting Beans

#11: Who's Next ?

#12: Squaring Cubes

#13: Adding up to Infinity

#14: Cooking Conjectures

#15: Spring 2006 Special

#16: Thinking Square !

 #17: The Feast

 #18: 2007's Spring Special

 #19: Surprise !