diff --git a/.gitignore b/.gitignore
index cb93292..f21fb94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /kcalc-4.9.3.tar.xz
 /kcalc-4.9.4.tar.xz
 /kcalc-4.9.5.tar.xz
+/kcalc-4.10.1.tar.xz
diff --git a/kcalc-4.9.2-misc.patch b/kcalc-4.9.2-misc.patch
deleted file mode 100644
index 158177e..0000000
--- a/kcalc-4.9.2-misc.patch
+++ /dev/null
@@ -1,42 +0,0 @@
-diff -up kcalc-4.9.2/kcalc_core.cpp.me kcalc-4.9.2/kcalc_core.cpp
---- kcalc-4.9.2/kcalc_core.cpp.me	2012-09-28 02:40:41.000000000 +0200
-+++ kcalc-4.9.2/kcalc_core.cpp	2012-11-08 11:45:57.646032345 +0100
-@@ -104,7 +104,13 @@ static KNumber ExecDivide(const KNumber
- 
- static KNumber ExecMod(const KNumber &left_op, const KNumber &right_op)
- {
--    return left_op % right_op;
-+    KNumber tmp_result = left_op % right_op;
-+
-+    if ( right_op < KNumber::Zero )
-+       return -(-left_op % -right_op);
-+    if ( tmp_result < KNumber::Zero )
-+       tmp_result += right_op;
-+    return tmp_result;
- }
- 
- static KNumber ExecIntDiv(const KNumber &left_op, const KNumber &right_op)
-@@ -132,6 +138,9 @@ static KNumber ExecBinom(const KNumber &
-     KNumber tmp_count = left_op;
-     KNumber tmp_result = KNumber::One;
- 
-+    if ( right_op == KNumber::Zero )
-+        return KNumber::One;
-+
-     // don't do recursive factorial,
-     // because large numbers lead to
-     // stack overflows
-@@ -587,8 +596,11 @@ void CalcEngine::Exp10(const KNumber &in
- 
- void CalcEngine::Factorial(const KNumber &input)
- {
--    if (input == KNumber::PosInfinity) return;
--    if (input < KNumber::Zero || input.type() == KNumber::SpecialType) {
-+    if (input == KNumber::PosInfinity || input > KNumber(999999)) {
-+       last_number_ = KNumber::PosInfinity;
-+       return;
-+    }
-+    if (input < KNumber::Zero || input.type() == KNumber::SpecialType || input.type() != KNumber::IntegerType) {
-         error_ = true;
-         last_number_ = KNumber::NotDefined;
-         return;
diff --git a/kcalc-4.9.90-misc.patch b/kcalc-4.9.90-misc.patch
new file mode 100644
index 0000000..a529896
--- /dev/null
+++ b/kcalc-4.9.90-misc.patch
@@ -0,0 +1,32 @@
+diff -ur kcalc-4.9.90/kcalc_core.cpp kcalc-4.9.90-misc/kcalc_core.cpp
+--- kcalc-4.9.90/kcalc_core.cpp	2012-11-14 17:46:47.000000000 +0100
++++ kcalc-4.9.90-misc/kcalc_core.cpp	2012-12-08 20:05:58.000000000 +0100
+@@ -99,7 +99,13 @@
+ }
+ 
+ KNumber ExecMod(const KNumber &left_op, const KNumber &right_op) {
+-    return left_op % right_op;
++    KNumber tmp_result = left_op % right_op;
++
++    if ( right_op < KNumber::Zero )
++       return -(-left_op % -right_op);
++    if ( tmp_result < KNumber::Zero )
++       tmp_result += right_op;
++    return tmp_result;
+ }
+ 
+ KNumber ExecIntDiv(const KNumber &left_op, const KNumber &right_op) {
+@@ -535,8 +541,11 @@
+ 
+ void CalcEngine::Factorial(const KNumber &input)
+ {
+-    if (input == KNumber::PosInfinity) return;
+-    if (input < KNumber::Zero || input.type() == KNumber::TYPE_ERROR) {
++    if (input == KNumber::PosInfinity || input > KNumber(999999)) {
++       last_number_ = KNumber::PosInfinity;
++       return;
++    }
++    if (input < KNumber::Zero || input.type() != KNumber::TYPE_INTEGER) {
+         error_ = true;
+         last_number_ = KNumber::NaN;
+         return;
diff --git a/kcalc.spec b/kcalc.spec
index a6d2352..10886f1 100644
--- a/kcalc.spec
+++ b/kcalc.spec
@@ -1,6 +1,6 @@
 Name: kcalc 
 Summary: Scientific Calculator 
-Version: 4.9.5
+Version: 4.10.1
 Release: 1%{?dist}
 
 License: GPLv2+
@@ -13,8 +13,8 @@ URL:     https://projects.kde.org/projects/kde/kdeutils/kcalc
 %endif
 Source0: http://download.kde.org/%{stable}/%{version}/src/%{name}-%{version}.tar.xz
 
-# fix arithmetic fault in binomial, factorial
-Patch0: kcalc-4.9.2-misc.patch
+# fix arithmetic fault in mod, factorial
+Patch0: kcalc-4.9.90-misc.patch
 
 BuildRequires: desktop-file-utils
 BuildRequires: kdelibs4-devel >= %{version}
@@ -39,6 +39,7 @@ functions than meet the eye on a first glance.
 
 %patch0 -p1 -b .misc
 
+
 %build
 mkdir -p %{_target_platform}
 pushd %{_target_platform}
@@ -70,8 +71,26 @@ desktop-file-validate %{buildroot}%{_kde4_datadir}/applications/kde4/%{name}.des
 
 
 %changelog
-* Sat Dec 29 2012 Rex Dieter <rdieter@fedoraproject.org> - 4.9.5-1
-- 4.9.5
+* Sat Mar 02 2013 Rex Dieter <rdieter@fedoraproject.org> - 4.10.1-1
+- 4.10.1
+
+* Fri Feb 01 2013 Rex Dieter <rdieter@fedoraproject.org> - 4.10.0-1
+- 4.10.0
+
+* Tue Jan 22 2013 Rex Dieter <rdieter@fedoraproject.org> - 4.9.98-1
+- 4.9.98
+
+* Fri Jan 04 2013 Rex Dieter <rdieter@fedoraproject.org> - 4.9.97-1
+- 4.9.97
+
+* Thu Dec 20 2012 Rex Dieter <rdieter@fedoraproject.org> - 4.9.95-1
+- 4.9.95
+
+* Sat Dec 08 2012 Kevin Kofler <Kevin@tigcc.ticalc.org> - 4.9.90-2
+- rebase the patch (mod, factorial parts still apply, binomial fixed upstream)
+
+* Tue Dec 04 2012 Rex Dieter <rdieter@fedoraproject.org> - 4.9.90-1
+- 4.9.90
 
 * Mon Dec 03 2012 Than Ngo <than@redhat.com> - 4.9.4-1
 - 4.9.4
diff --git a/sources b/sources
index 45d5d75..60ff257 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-5ab883085933c5895a3e9ac4d4c88def  kcalc-4.9.5.tar.xz
+66ef0d1a0d0f1e3e4570b1bd77780588  kcalc-4.10.1.tar.xz