http://www.fixya.com/support/p186670-casio_hr_150ter_calculatorSolved technical support problems provided by FixYa users.en-usCopyright (c) 2007 FixYa, LTD. All rights reserved.info@fixya.comWed, 02 Dec 2009 08:17:46 GMT80http://www.fixya.com/support/t1600649-trying_change_tax_buttons_casio_hrI have held the CA button, then the % button, input 15, pressed tax + then % button but it comes 16, and the tax - button is 14 can you please help.Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t381713-programming_tax_buttonI have had the above calculator for quite a while and have lost the manual, I would like to reprogramme the Tax+ button, can you help?Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t402414-lost_manualManual lost for Casio Printing calculator HR-150LB. Can anybody help?Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t261035-factoring_polynomials_algebray3+3y+4y2+12= How would you do this on a Casio fx-115 ES calculator?Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t284687-calculating_percentagesI have a Casio MJ 100. It seems incapable of accurately calculating percentages. If I type in 100 minus 20% it answers 400! Is it time to throw it away?Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1657029-cannot_set_tax_rate_caculatorI WOULD LIKE A MANUAL FOR SETTING THE CALCULATORWed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t3556089-get_like_taxes_charging_feehow do you get %, like taxes and charging a feeWed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t3147483-not_feed_inI can not feed in paper in My HR 8TE calculatorWed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t432709-repair_1970s_hp_calculator_hp_27I bought this one in college and would like to keep it working. ?When using it on a fully charged battery the display (seemingly randomly) displays blinking digits (zeroes?) across the display and then goes blank. ?I have purchased two replacement...Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t454253-royal_cash_register_120_cxGetting a E64 Error code everytime I try to do anything. Don't know what error code 64 means.Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t795191-desk_top_calculator_operationI know this might sound stupid but I can't work out how to add and/or subtract on this model and can't understand the pictorial instrucions in the manual. I can get the = sign to calculate division and multiplication but when I want to simply add...Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1296603-changing_tax_rateI wondered if you could tell me how to change the tax rate on my casio wm220t many thanksWed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1359077-deg_shown_screenI cannot remove the letters 'DEG' from the top centre of the screen. I don't require this function for my calculations. Can you help please? Thank you. Theresa GallacherWed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1364091-casio_euro_tax_fr_620terI have lost the manual and cannot change the vat amount - Help!!Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1654361-manual_casio_fx_260_solar_fractionI need to know how to operate the functions on this calculator. My brother gave it to me but threw away thr manualWed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1657357-lost_manual_casio_dr_110s_printigHelp please!!Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1808341-need_change_display_contrast_casioJust changed the batteries in my Casio fx6300G and upon restarting the contrast has set itself to the darkest setting which makes it almost impossible to see what I'm writing. I know it's possible to change the contrast but I can't for the life of...Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1847351-change_tax_rate_calculator_ms_8tvI need instructions as to how I can change the tax rate on calculatorWed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t1918331-calculate_log_base_2_in_fx_991whow to calculate log base 2 in fx 991WWed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t2432091-need_picture_casio_fr2650a_putI need a picture of the casio fr2650a so I can put the keys back in it.Wed, 02 Dec 2009 08:17:47 GMThttp://www.fixya.com/support/t2835755-scientific_calculator_fx_100ms_ampi have scientific calculator fx-100ms & i dont know haw does it work please show me its manualWed, 02 Dec 2009 08:17:47 GMT