Things you should know
- Tap & hold a field makes the copy & paste dialog appear.
- Shaking the device will reset all fields to their default value.
- The numeric keypad can be flicked down with a downwards swipe of the finger.
- You can go to the next field from the keypad by swiping your finger from left to right. A swipe from right to left will take you back to the previous field.
- Double-tapping a formula label will star it (starred formulas are like favorites or bookmarks).
- When you input a value, MedCalc checks if it is plausible. If not, it is highlighted in red and the calculation is blocked, so you get a change to correct your mistake (usually a unit that is not correctly set) instead of just getting a wrong result.
- You can search for formulas by title, but also by keywords (typing 'weight' will bring up 'BMI' for instance).
Release notes
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Version: 2.4.4 - Dec 5, 2011
- Bug fix in SAPS2 that could lead in incorrect results
- Minor fixes in Canadian C Spine
- Spanish: CATCH typo fixed
Version: 2.4.3 - Oct 17, 2011
- Update for iOS 5 compatibility
- Update to interval calculator and FE Urea.
- Fixes a bug that prevented the copy/paste menu for input fields from appearing
- Chinese: Now uses weibo.com as news-source
- Chinese: Enhanced keyword search
Version: 2.4.1 - Sep 2, 2011
- Ranson showed 2 points with no input, this has been fixed
- Now shows the decimal place for HbA1c-DCCT
- Interval calculator enhancements
- G/L unit (x109/L) now labeled as Giga/L
Version: 2.4 - Aug 3, 2011
- 2 new entries (HbA1c converter, Ottawa Ankle Rules)
- Now available in Chinese (Simplified Chinese, zh-CN) thanks to Hongyang NI
- Set MedCalc language independently from the system language
Version: 2.3 - Jun 14, 2011
- 4 new entries (ABSI, FLACC, Rudkin Scale, Sample Size)
- Updated BMI to report percentiles for children
- Temperature can now be entered in Celsius or Fahrenheit anywhere
- Updated formulas for CVC Optimal Positioning, Ranson's score units are now more easily changeable
- Dropped iOS 3 compatibility, you need iOS 4 or better
- Spanish version now available again, thanks to our localization team!
Version: 2.2.2 - Mar 23, 2011
- Added 'stone+pounds' as selectable units for weight
- Added 'inches' as selectable units for height ('feet+inches' was the only non-metric unit available)
- Corrected a display bug in Cardiac Output (Fick) - German locale
Version: 2.2.1 - Feb 28, 2011
- 30 new entries (Ankle-Brachial Index, APRI score, ASIA scale, BATiC score, BISAP score, CCS Angina scale, Charlson Morbidity index, CRB-65 score, CRUSADE score, Detsky score, FE Mg, Goldman score, GRACE score, HAS-BLED score, HEMORR2HAGES score, Hinchey Peritonitis scale, Killip classification, Mannheim Peritonitis score, MMRC Dyspnea scale, Muscle Strength scale, NAFLD Fibrosis score, OBRI score, Peritonitis Severity score, PISA model, PREP score, Renal Failure index, Rutgeerts classidication, SAPS II score, SMART-COP score, SMRT-CO score)
- Improvements/Fixes (ADO, BODE, GOLD, Lille Model, Snellen Eye Chart, Water Deficit)
- "mEq/L" unit added for Na, K, Cl and HCO3
- Search bar is now always visible
- You can now transfer saved dilutions to other devices via iTunes
- Refreshed icon
Version: 2.1 - Nov 6, 2010
- 15 new entries (4T score, Borg and Borg CR10 scales, BSAS, CATCH rule, CHA2DS2-VASc score, Gold classification, Lee score, Lille Model, Nexus C-Spine Criteria, Nexus II Head-CT rule, Ottawa Knee rule, Pack Years calculator, SIRS criteria, STOP-BANG score)
- Improved formulas (Canadian C-Spine Rule, Wells Score for PE, IV Drip Rate)
- Fixes (Canadian C-Spine Rule, Infusion Management drug lists)
Version: 2.0.1 - Sep 7, 2010
- Fix to the favorite category bug (formula didn't show up immediately upon starring)
Version: 2.0 - Sep 3, 2010
- Completely new, tab-based interface
- Copy & Paste for input fields and result labels
- Full iOS 4 support (hi-res graphics for retina display)
- Improved formula info layout
- Results can now be displayed as ranges (i.e. 10-20 mmHg)
- 16 new formulas and scores (ADO index, Alvarado Score, Aphasia Classification, Bishop score, Blatchford score, BODE index, Canadian C-Spine Rule, Epworth Sleepiness scale, Light's Criteria, MEES, Modified Rankin Scale, NIHSS, Rockall score, Solitary Pulmonary Nodule Risk Assessment, Teeth Numbering [FDI], Transferrin Saturation)
- Upgrade path to 'MedCalc Pro', the Pro version with an exclusive patient database to store formula results
Version: 1.3 - Sep 26, 2009 - 44 new entries (Abbreviated Mental Test, ASA classification, Bicarbonate Deficit, Burn area, Canadian CT Head Rule, CAP PIRO score, Clinical Pulmonary Infection Score, Cormack Classification, CVC Optimal Positioning, DAS28 score, Delta PP, Fisher scale, FOUR score, GFR (CKD-EPI), Glasgow alcoholic hepatitis score, Glasgow outcome scale, Glasgow scoring system for pancreatitis, Harvey Bradshaw Index, Hunt-Hess scale, Injury severity scale, Interval, Karnofsky scale, Liver volume, MELD-Na, NAC Dosage Regimen, NACA scale, NYHA classification, Pain visual scale, Pediatric Endotracheal Tube Size, Pediatric Glasgow Coma Scale, Pediatric Resuscitation Doses, SAAG, VAP PIRO score, Ramsay Sedation scale, Richmond Agitation Sedation Scale, San Francisco Syncope Rule, Salazar, Sedation-Agitation scale, TASH score, TIMI Score (STEMI and NSTEMI), Teeth numbering, Wells score for DVT, Wells score for PE)
- Slightly refreshed look, lots of bug fixes and usability improvements
Version: 1.2.1 - Jul 2, 2009 - Bug fix for Plasma Volume formula (introduced in version 1.2)
Version: 1.2 - Jun 15, 2009 - Now available in English, French, German and Spanish
- New formulas (FE Urea,WFNS SAH, Dermatome Map, Eye Chart, Mallampati, PERC rule, Warfarin Dosage )
- Heights and Weights can be entered in ft+in and lb+oz
- Previously entered values can be recalled in corresponding fields in other formulas.
- "Formula in Formula feature" allows you to call a formula from within another one.
- Safari Links to PubMed for references in formula information
Version: 1.1 - Feb 9, 2009 - New formulas: ABCD2, APACHE II, CURB-65, EuroSCORE, Lung Age, PORT (PSI), Ranson Score, Rule of Six,
- Persistence of entered values if application quits while in a formula
- More drugs in Opiate Equivalence
- Taper/Increase correction factor added in Opiate and Corticosteroid Equivalence
- Feet added as a unit in Length Conversion (Unit Conversion)
- O2 Tank Remaining Time now deals with PSI
- New custom popup control to change units in Dose and Infusion Calculators
- Infusion Management now enables saving of dilutions
- Added correction for premature infants in Age calculator
- The usual bug fixes
Version: 1.0.1 - Dec 16, 2008 - Bug fix in Dose Calculator (liquid module)
- Albumin correction of Anion Gap in Delta Gap formula
- Correction factor added in Maintenance Fluid (children)
Version: 1.0 - Dec 10, 2008 - First public release on the AppStore
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Frequently asked questions (FAQs)
- MedCalc used to be free, why is it now $0.99? Read this insightful blog post on why it is wrong to expect (good) software to (always) be free.
- Will you develop a version for Android, Blackberry or Windows Phone 7? We don't have any plans for new ports at the current time. We've historically only developed for the devices we use at the time and the focus is now exclusively on iOS (iPhone, iPod and iPad).
- Why can't I input negative values for temperature in the converter? MedCalc is a medical application, not a general-purpose unit converter. If you can send us a case report of a patient with a negative temperature, we'll be glad to add this feature.
- I don't find a formula that I need, can you add it? First off, make sure it's really not there. May it's listed under another name. Try using the search field, entering relevant keywords.
- Can you add a formula or score that I really need? Sure, but no promises made. Use the form below. It helps if the request is detailed and features some kind of references.
Feature requests
If you would like MedCalc to do something it doesn't currently do, simply send the developers a feature request by clicking on the red banner at the bottom of the page.
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